Which of the following features best describe an independent variable in research ?A. It is the cause in the cause-effect relationship.B. It is the effect in the cause-effect relationship.C. It is the condition or characteristic which is manipulated in an experimental study.D. It is the variable which is placed under control.E. It is a kind of response variable.Choose the correct answer from the options given below:

• A. A and B only
• B. B and C only
• C. A and C only
• D. D and E only